Aya mabhanana "endarama" anogona kuchengetedza hupenyu hwevana vakawanda muUganda

Masayendisiti akakurira mhando dzakasiyana dzebhanana dzinogona kubatsira vana vakawanda muUganda vachitambura nekushayikwa kweprotamin A. Zvinonzi "goridhe" bhanana zvakagadzirwa neboka rinobva kuYunivhesiti yeQueensland muAustralia pasi pekutungamirirwa naProfesa James Dale. Migumisiro yebasa iri yakaonekwa mubhuku rinonzi Plant Biotechnology.

Tariro, muna 2021 varimi vekuUganda vachange vava kukura bhanana vakapfuma mu provitamin A. Ichi chidzidzo chaibhadharwa neBill uye Melinda Gates Foundation, iyo yakapa madhora gumi nemadhora kune vatsvakurudzi.

Kuvandudzwa kwezvitsva zvitsva

Iyo nzira yekuvandudza mhando dzakasiyana dzemabhanana inosanganisira kuchinjwa kwemasero avo pachavo, ayo anozoshandurwa kuva mazai uye ozobereka mumiti. Kuti uvandudze bhanana "dzegoridhe", makore anopfuura gumi eongororo ye laboratori uye kuongorora kwenyika kuchamhembe kweQueensland kwaidiwa. Masayendisiti eUuganda iye zvino anotsanangura nzira imwechete yemhando dzakasiyana-siyana dzebhanana.

Kuti vawane zvitsva zvakasiyana, masayendisiti akatora geni kubva kubhanana yakakura muPapua New Guinea. Zvibereko zveizvi zvakasiyana-siyana zvakakwirira kwazvo zve provitamin A, asi ivo vashoma muhukuru. Aya mazamu akaiswa mujenotype yebhanana yakasiyana-siyana "inokwira". Kwemakore akawanda emabasa, masayendisiti akakwanisa kuwana michero mikuru nehupamhi hweprotamin A. Kunze kwekunze, vanogona kusiyaniswa kubva kune dzimwe nehutenduru-doramusi, sezvimwe mune mamwe marudzi akasiyana-siyana ane kamu cream.

Kusakwana kweprotamin A

Munharaunda yekumaruwa yeUganda, mabhanana achiri chikafu chekudya. Pano, vanhu vanodya bhinzi reEast African culinary rine yakakwirira ye starch, asi ine micronutrients shoma, kusanganisira provitamin A uye iron.

Gore roga roga kubva pane zvakakosha zve provitamin iyi, kubva pa 650 kusvika ku 700 000 vana munyika yose vanofa. Vamwe vana vanorasikirwa. Zvimwe zviratidzo zvinogona kusanganisira kukura kunononoka, kusabereka, ganda rakaoma nezvimwe zvakawanda.

Kutanga kwematambudziko emunda muUganda

Saka iyi bhanina "yegoridhe" inogona kunge inobatsira zvikuru. Masayendisiti akaedza kuwanda kwemajini kusati kwavandudzika "yekupedzisira" yekupedzisira. Matapu aiva nemakemikari anodikanwa akatumirwa kuUganda, kwavakatangira mujenotype yemhando yebhanana yekuongorora munda.

Kubudirira kwemigumisiro iyi nemasayendisiti nekudhindwa kwavo ndeye chiitiko chakakosha mukuedza kwavo kugovera kudya kunovaka muviri kune varombo vanogara muAfrica.